Welcome to Western Monarch Milkweed Mapper!

Where are monarchs breeding in the western U.S.?

Contribute to monarch conservation efforts in the west by submitting your photos of western monarchs and milkweeds. Relatively little is known about where milkweeds occur in this region or what areas are important monarch breeding grounds, so we need your help!

About the Western Monarch Milkweed Mapper:

The Western Monarch Milkweed Mapper is a project through the partnership of The Xerces Society, Idaho Department of Fish and Game, Washington Department of Fish and Wildlife, National Fish and Wildlife Foundation, and US Fish and Wildlife Service. Learn more about this project.